WO2019088641A1

WO2019088641A1 - Propulsion apparatus for diver

Info

Publication number: WO2019088641A1
Application number: PCT/KR2018/012989
Authority: WO
Inventors: 전상도
Original assignee: (주)서브테크
Priority date: 2017-10-30
Filing date: 2018-10-30
Publication date: 2019-05-09
Also published as: KR101840784B1

Abstract

Provided is a propulsion apparatus for a diver comprising: a main housing which has a tubular structure having an open rear end, an inlet hole, formed on the outer surface of a front end of the main housing, for introducing a fluid into the main housing therethrough underwater, and which has therein a rotatably connected drive transmission shaft extending from the front end to the rear end; an impeller which is rotatably inserted into the rear end of the main housing, and which is connected to the rear end of the drive transmission shaft and is provided with a plurality of blades so as to be correspondingly rotated in accordance with rotation of the drive transmission shaft; a drive generation unit which is installed in the main housing and is connected to the front end of the drive transmission shaft to generate a drive force for rotating the impeller through the drive transmission shaft, thereby discharging the fluid, which was introduced into the main housing through the inlet hole while underwater, out of the main housing rearward, such that propulsion is generated; a wearing part which is connected to the main housing and allows the the main housing to be worn on the diver's body; and a power supply unit which is connected to the drive generation unit and supplies power to the drive generation unit so as to generate the rotational drive force in the driving generation unit.

Description

Propulsion system for diver

The present invention relates to a propulsion device for a diver, which provides propulsive force to assist the movement of a diver in water.

In general, when a diver moves by magnetic force to a target point where underwater operation or search is performed, the movement in the water consumes a lot of physical energy in proportion to a long period of time because of a considerable restriction.

If the diver consumes a lot of time and energy to reach the target point, the efficiency of the underwater work or navigation that the diver originally aimed to after the move will be significantly reduced none.

In order to solve such a problem, although underwater operation is carried out by using underwater propulsion devices of various structures, there are limitations in generalizing and using expensive equipment exceeding the size and weight that can be carried easily and easily . In addition, the conventional underwater propulsion device has a problem in that it uses a propeller projected outward as a propelling means.

Such a conventional underwater propulsion device for a diver is disclosed in Korean Patent Registration No. 10-1053176 (July 26, 2011).

It is an object of the present invention to provide a propulsion device for a diver having a safety that is easy to carry while the diver is able to carry.

In the present invention, an inlet hole for allowing fluid to flow inward is formed in the outer surface of the tip end, and a drive transmission shaft extending from the tip end to the rear end direction is rotatably mounted on the inner surface, An impeller having a plurality of blades rotatably inserted into a rear end of the main housing and connected to a rear end of the driving transmission shaft to rotate correspondingly to the rotation of the driving transmission shaft; A driving force is generated so that the impeller rotates through the driving transmission shaft and the fluid introduced into the main housing through the inflow hole is discharged to the outside of the main housing at the rear side A drive generating unit for generating a driving force while being connected to the main housing, And a power supply unit connected to the drive generation unit and supplying power to the drive generation unit to generate a rotational drive force in the drive generation unit, Thereby providing a propulsion device.

The apparatus may further include a shaft housing coupled to the inner surface of the main housing in an insertion state and having a shaft support hole penetrating from the front end to the rear end direction so as to rotatably insert the driving transmission shaft, A plurality of the drive transmission shafts may be formed so as to be spaced apart from each other at regular intervals in the circumferential direction of the housing, and the drive transmission shafts may be inserted into the respective shaft holes.

The impeller is provided with a rotation connecting rod to be rotatably connected to the inner surface of the main housing. A rotary ring gear is coupled to an outer end of the rotation connecting rod, and at the rear end of the driving transmission shaft, And the rear end shaft gear to be fitted can be engaged.

The driving motor includes a motor cover coupled to a front end of the main housing. The driving shaft includes a front end shaft gear coupled to a front end of the driving transmission shaft. The driving motor includes a driving motor coupled to the motor cover, And a driving gear which is coupled to the driving shaft of the driving motor and is fitted to the front end shaft gear.

The wearer may further include a lower belt connected to a rear end of the main housing and adapted to wear the rear end of the main housing to a leg portion of the diaphragm, a lower belt connected to a front end of the main housing, And an upper belt to be worn on the waist of the diver.

In addition, the rear end of the main housing is formed in a tube structure having a smaller diameter from the front end to the rearward direction, so that the fluid introduced into the main housing by the rotation of the impeller is jetted out from the main housing And the injection nozzle can be coupled.

In addition, it is rotatably connected to the rear end of the injection nozzle, and has a tube structure that becomes smaller than the rear end diameter of the injection nozzle as it goes from the front end to the rear end, thereby increasing the discharge power of the fluid discharged through the injection nozzle And a regulating nozzle for changing the discharging direction.

The present invention provides a propulsion device for a diver, wherein a main housing is worn on a lower body of a diver by means of a wear part, so that the diver can carry the diver easily, and the diver, As driving force is generated to be moved, safety of use is excellent.

1 is a front view of a use state of a propulsion device for a diver according to an embodiment of the present invention.

FIG. 2 is a plan view of a use state of a propulsion device for a diver according to an embodiment of the present invention.

3 is a detailed sectional view of the portion 'A' shown in FIG.

4 is a schematic front view of a main housing of a propulsion device for a diver according to another embodiment of the present invention.

5 is a schematic front view of a main housing portion of a propulsion device for a diver according to another embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 1 is a front view of a propulsion device for a diver according to an embodiment of the present invention, FIG. 2 is a plan view of a propulsion device for a diver according to an embodiment of the present invention, FIG. 3 is a cross- A 'in FIG. 1 to 3, a propulsion device for a diver according to an embodiment includes a main housing 100, an impeller 200, a drive generating part 300, a wear part 400, and a power supply part 500 have.

The main housing 100 is a tubular structure that allows fluid to be introduced into the main housing 100 after being introduced into the water. That is, the main housing 100 receives the fluid in the water as it is rotated according to the rotation of the impeller 200 to be described later, and then discharges the fluid through the rear end. The main housing 100 has a tubular structure in which a rear end of the main housing 100 is hermetically closed. At the center of the wall for sealing the front end of the main housing 100, A shaft insertion hole 102 is formed so as to penetrate the drive shaft 311 provided in the drive motor 310. A bearing 103, which rotatably connects and supports the drive shaft 311, is coupled to the inside of the front end wall portion of the main housing 100. A sealing member 104 may be coupled to the inside of the front end wall of the main housing 100 to prevent fluid from leaking between the driving shaft 311 and the shaft insertion hole 102. Here, in the propulsion device for a diver according to the embodiment, the main housing 100 is provided with a pair of the left and right sides of the diver 10, but the present invention is not limited thereto and one or three or more It is of course possible to provide the above-mentioned functions.

An inlet hole 101 is formed in the outer surface of the front end of the main housing 100, that is, one longitudinal outer surface of the main housing 100 to allow fluid to flow into the front end of the main housing 100, And is formed so as to connect the inside and the outside of the main housing 100. The inflow hole 101 may be spaced apart from the main housing 100 such that fluid can be stably introduced into the main housing 100. In addition, the inflow hole 101 is formed as a slit structure extending from the front end to the rear end direction of the main housing 100, but the present invention is not limited thereto.

In addition, the main housing 100 is provided with a shaft housing 110 having a tube structure for opening the front end and the rear end of the main housing 100 in an inserted state. That is, the shaft housing 110 is inserted into the main housing 100, and the outer surface of the shaft housing 110 is fixedly coupled to the inner surface of the main housing 100. In the shaft housing 110, a shaft hole 111 is formed in the longitudinal direction. That is, the shaft support hole 111 is formed so as to extend from the front end of the shaft housing 110 to the rear end direction. In the shaft support hole 111, a driving force generated from the drive generating unit 300 A drive transmission shaft 120 for transmitting the driving force to the impeller 200 is rotatably inserted. A plurality of the shaft supporting holes 111 are spaced apart from each other with respect to the circumferential direction of the shaft housing 110 and a plurality of driving transmission shafts 120 are inserted into the shaft supporting holes 111 The rotational driving force generated from the driving generating part 300 is transmitted to the impeller 200 via the plurality of driving transmission shafts 120 so that the impeller 200 can be stably rotated. The front end shaft gear 121 is coupled to both ends of the driving transmission shaft 120 in the longitudinal direction, that is, at the front end of the driving transmission shaft 120 so as to receive the rotational driving force from the driving generation unit 300, A rear end shaft gear 122 is coupled to the rear end of the driving transmission shaft 120 to transmit a rotational driving force to the impeller 200. The drive transmission shaft 120 is disposed on the inner surface of the main housing 100 through the shaft housing 110 so as not to interfere with the flow of the fluid, So that the driving force can be stably maintained.

In addition, a motor cover 130 may be coupled to the front end of the main housing 100 so that the drive generating unit 300 to be described later may be inserted. The motor cover 130 has a cylindrical structure in which the drive motor 310 is inserted to protect the drive motor 310 of the drive generating unit 300, which will be described later, from fluid. Here, the rear end of the motor cover 130 is fixedly coupled to the front end of the main housing 100.

When the fluid introduced into the front end of the main housing 100 through the rotation of the impeller 200 is discharged to the outside of the rear end of the main housing 100 at the rear end of the main housing 100, The spray nozzle 140 may be coupled to the main housing 100 to increase the driving force of the main housing 100 while being discharged. The spray nozzle 140 has a tube structure with both open ends and is formed so that its inner diameter becomes smaller toward the rearward direction from the front end. The tip of the spray nozzle 140 is positioned at a rear end edge portion of the main housing 100 Lt; / RTI >

The control nozzle 150 may be connected to the rear end of the injection nozzle 140 to increase the discharge pressure of the fluid discharged through the injection nozzle 140 and to change the discharge direction of the fluid . The control nozzle 150 has a tube structure having both ends opened. The control nozzle 150 is formed such that its inner diameter becomes smaller toward the rearward direction from the tip thereof, like the injection nozzle 140, And is connected to the outside of the rear end of the nozzle 140 in a rotatably inserted state. At this time, the inner diameter of the rear edge of the adjustment nozzle 150 is smaller than the inner diameter of the rear edge of the injection nozzle 140, thereby increasing the discharge pressure of the fluid. The outer circumferential surface of the rear edge of the injection nozzle 140 and the inner circumferential surface of the front edge of the control nozzle 150 are formed to have

round connection portions

141 and 151 to correspond to each other. To be freely rotatable up and down and right and left.

The impeller 200 receives the rotational driving force generated from the drive generating unit 300 to be described later and rotates to discharge the fluid introduced into the front end of the main housing 100 to the outer rear side of the main housing 100 And to generate propulsive force. That is, the impeller 200 is rotatably inserted into the rear end of the main housing 100, and the impeller 200 is rotatably inserted into the shaft housing 100, (110).

The impeller 200 is configured to have a plurality of blades 210. The impeller 200 may have a rotation link 220 coupled to the rear end inner surface of the main housing 100 so as to be rotatable. Here, the rotation link 220 has a ring cross-sectional structure, and the ends of the blades 210 are fixedly coupled to the inner circumferential surface. Accordingly, the blades 210 of the impeller 200 are rotated according to the rotation of the rotation link 220. The rotation ring gear 230 is engaged with the rear end shaft gear 122 of the drive transmission shaft 120 at the outer end of the rotation link 220, that is, the outer circumferential surface of the rotation link 220. Reference numeral 106 denotes a sealing member provided inside the rear end wall portion of the main housing 100 to block leakage of fluid through the space between the rotation connecting rod 220 and the inner surface of the main housing 100.

The drive generation unit 300 generates a rotational driving force to rotate the impeller 200. That is, the drive generating unit 300 is rotated by the rotational driving force generated while being supplied with power from the power supply unit 500 to be described later, while rotating the impeller 200 through the inflow hole 101 The fluid that has flowed into the main housing 100 is discharged to the outside of the main housing 100 to generate a propelling force. The drive generation unit 300 is installed in the main housing 100 and is connected to the impeller 200 and the power supply unit 500. Here, the driving unit 300 includes a driving motor 310 and a driving gear 320.

The driving motor 310 is installed inside the motor cover 130 of the main housing 100 and receives power from the power supply unit 500 to generate rotational driving force. The end of the driving shaft 311 of the driving motor 310 is connected to the shaft insertion hole of the front end of the main housing 100. The driving motor 310 is coupled to the inside of the motor cover 130 in an inserted state, 102). Here, the driving motor 310 uses an electric motor that is powered by a power supply unit 500.

The driving gear 320 is a gear that transmits the rotational driving force generated by the driving motor 310 to the driving transmission shaft 120 of the main housing 100. The driving gear 320 is rotatably inserted into the front end of the main housing 100 while being coupled to the end of the driving shaft 311 of the driving motor 310. The driving gear 320 is engaged with the front end shaft gear 121 of the driving transmission shaft 120 to transmit the rotational driving force generated from the driving motor 310 to the driving transmission shaft 120 , So that the driving transmission shaft 120 is rotated.

The wearing portion 400 is a portion that allows the main housing 100 to be worn on the body of the diver 10. That is, the wearer 400 may wear the main housing 100 in a state of being closely attached to the lower body of the diver 10, so that the diver 10 may be damaged by the rotation of the impeller 200 It is possible to receive stable driving force. The wearer 400 includes a lower belt 410 and an upper belt 420. At this time, the main housing 100 may be formed with a connection ring 105 for connecting the lower belt 410 and the upper belt 420, respectively.

The lower belt 410 allows the rear end of the main housing 100 to be worn on the leg portion of the lower body of the diver 10. The lower belt 410 is connected to the rear end of the main housing 100. The lower belt 410 may be provided with a fastening member (not shown) such as a buckle so that the lower belt 410 can be worn in a detachable state on the leg portion of the diver 10.

The upper belt 420 allows the front end of the main housing 100 to be worn on the waist of the lower body of the diver 10. The upper belt 420 is connected to the front end of the main housing 100. The upper belt 420 may be provided with a fastening member (not shown) such as a buckle to be worn in a detachable state at the waist portion of the diver 10.

The wearer 400 of the embodiment includes the lower belt 410 and the upper belt 420 so that the main housing 100 can be worn on the body of the diver 10, (Not shown) that the diver 10 can grip by hand on the outside of the main housing 100 without the need of the user.

The power supply unit 500 supplies power for operation of the drive generation unit 300. That is, the power supply unit 500 supplies power to the drive generation unit 300 to generate a rotational drive force in the drive generation unit 300. The power supply unit 500 is connected to the drive motor 310 of the drive generation unit 300 while being coupled to one side of the wear unit 400, that is, one side of the upper belt 420 of the wear unit 400, However, the present invention is not limited thereto and may be installed inside the main housing 100 or inside the motor cover 130. Here, the power supply unit 500 uses a rechargeable battery to minimize the restriction on the movement of the diver 10.

The propulsion device for a diver according to an embodiment may include a drive control unit 600 for allowing the diver 10 to control the operation of the drive generating unit 300 in the water. The drive control unit 600 controls the drive motor 310 and the drive motor 310 so that the diver 10 can control the drive motor 310 of the drive generator 300 and the rotation speed of the generated drive power, Off operation of the impeller 200 and the driving force by controlling the discharge pressure of the discharged fluid flowing into the main housing 100 through the impeller 200. [ The drive control unit 600 includes a drive control button 610 for turning on and off the drive motor 310 and a control unit 610 for controlling the rotational force of the drive motor 310, And a propulsion control button 620 for controlling the propulsion speed while controlling the discharge pressure of the fluid by the propulsion control button 620. The drive control unit 600 is electrically connected to the drive motor 310 of the drive generating unit 300 through a cable such as a cable in a state where the drive control unit 600 is installed on one side of the upper belt 420 of the wear unit 400 It is also possible to arrange the diaphragm 10 to be connected to the driving motor 310 wirelessly while being independently worn on the arm of the diver 10.

As shown in FIG. 4, a driving direction adjusting lever 700 may be provided to adjust the direction of the fluid discharged through the adjusting nozzle 150. The propulsion direction control lever 700 controls the rotation direction of the control nozzle 150 by the diver 10. That is, the propelling direction control lever 700 allows the regulating nozzle 150 to be rotated while changing the discharge direction of the fluid by the regulating nozzle 150. The propelling direction control lever 700 has a rod shape and one longitudinal end of the propelling direction control lever 700 is rotatably connected to one side of the control nozzle 150. The other end in the longitudinal direction of the propulsion direction control lever 700 is connected to the main housing 100 so as to be gripped by the hand of the diver 10.

Referring to FIG. 5, the nozzle adjustment motor 800 and the nozzle adjustment connection axis 810 may be provided as means for adjusting the direction of the fluid discharged through the adjustment nozzle 150. The nozzle adjustment motor 800 is fixedly coupled to one side of the main housing 100. At this time, it is preferable that the nozzle adjustment motor 800 is inserted into a separate case (not shown) coupled to the main housing 100, but it may be inserted inside the main housing 100. The nozzle adjustment connection axis 810 adjusts the position of the adjustment nozzle 150 while rotating the adjustment nozzle 150 through a rotational force generated by the nozzle adjustment motor 800. The tip of the nozzle adjustment connecting shaft 810 is connected to the driving shaft of the nozzle adjusting motor 800 and the rear end of the nozzle adjusting connecting shaft 810 is connected to the adjusting nozzle 150. At the tip of the nozzle adjustment connection shaft 810, a tip connection unit 820 is formed to be connected to the drive shaft of the nozzle adjustment motor 800 to receive a rotational force, and a rear end of the nozzle adjustment connection shaft 810 A rear connector unit 830 connected to the control nozzle 150 to rotate the control nozzle 150 in accordance with rotation of the nozzle control connection shaft 810 is formed.

The submerged water propulsion operation using the propulsion device for a diver in this embodiment will be described with reference to FIGS. 1 to 3. FIG.

First, the main housing 100 is fixed to the body of the diver 10 through the wear part 400. That is, the upper end of the main housing 100 is fixed to the waist portion of the diver 10 by using the upper belt 220.

When the driving motor 310 of the driving unit 300 is operated in a state where the diver 10 is in the water, the driving force generated by the discharge of the fluid due to the rotation of the impeller 200 The diver 10 is easily moved into the water. That is, when the drive control unit 600 is turned on through the drive control button 610, the power is supplied from the power supply unit 500 to the drive motor 310 of the drive generation unit 300 do. Then, the driving motor 320 is rotated while the driving motor 310 is operated, and the driving transmission shaft 120 of the main housing 100 is rotated.

Then, the drive transmission shaft 120 moves the impeller 200 to the outside of the rear end after the fluid flows into the front end of the main housing 100 through the inflow hole 101 in the water while rotating the impeller 200, . At this time, the fluid discharged to the outside through the rear end of the housing 100 is injected and discharged in a compressed state through the injection nozzle 140 and the adjustment nozzle 150 to increase the propulsive force, To be easily moved in the water.

The diver 10 can adjust the thrust by regulating the rotation speed generated by the driving motor 310 through the thrust force control button 620 of the driving control unit 600, 10) to be controlled.

As such, the diver propulsion apparatus according to the embodiment allows the main housing 100 to be worn on the lower body of the diver 10 through the wear part 400, so that the diver 10 can easily carry And the propulsion force is generated so that the diver 10 is moved in the water through the discharge of the fluid generated through the rotation of the impeller 200. Thus, the safety of use is excellent.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Therefore, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims

The main housing having a tubular structure having a rear end opened, an inlet hole through which fluid flows in the water is formed at the outer surface of the front end, and a main housing having a driving transmission shaft extending from the front end to the rear end, and;

An impeller having a plurality of blades rotatably inserted into a rear end of the main housing and connected to a rear end of the driving transmission shaft to rotate correspondingly to the rotation of the driving transmission shaft;

The main housing is installed in the main housing and connected to a front end of the driving transmission shaft so as to generate a driving force to rotate the impeller through the driving transmission shaft so that fluid introduced into the main housing through the inlet hole, A drive generating unit for generating driving force while being discharged to the outside rear side;

A wearer connected to the main housing and adapted to wear the main housing to the body of the diver; And

And a power supply unit connected to the drive generation unit and supplying power to the drive generation unit to generate a rotational drive force in the drive generation unit.
The method according to claim 1,

And a shaft housing coupled to the inner surface of the main housing in an inserted state and having a shaft support hole penetrating from the front end to the rear end so as to rotatably insert the drive transmission shaft,

A plurality of shaft holes are formed so as to be spaced apart from each other by a predetermined distance in the circumferential direction of the shaft housing,

Wherein the plurality of drive transmission shafts are inserted and arranged in the respective shaft holes.
The method according to claim 1,

The impeller includes a rotation link coupled to an inner surface of the main housing to be rotatable,

A rotating ring gear is coupled to an outer end of the rotating link,

And a rear end shaft gear fitted to the rotary ring gear is coupled to a rear end of the drive transmission shaft.
The method according to claim 1,

And a motor cover coupled to a front end of the main housing,

A tip shaft gear is coupled to a tip of the drive transmission shaft,

Wherein the drive generating unit comprises:

A drive motor that is coupled and installed in the motor cover in an inserted state,

And a drive gear coupled to a drive shaft of the drive motor and adapted to mate with the distal shaft gear.
The method according to claim 1,

[0027]

A lower belt connected to a rear end of the main housing and adapted to wear the rear end of the main housing to a leg portion of the diver,

And an upper belt connected to a front end of the main housing to allow the front end of the main housing to be worn on the waist of the diver.
The method according to claim 1,

And a rear end of the main housing is formed in a tubular structure having a diameter decreasing from the front end to the rear end direction so that the fluid flowing into the main housing by the rotation of the impeller is jetted out from the main housing, To the diver.
The method of claim 6,

And is configured to be rotatably connected to a rear end of the injection nozzle and configured to have a tubular structure that becomes smaller than a rear end diameter of the injection nozzle from a front end to a rear end so as to increase a discharge output of the fluid discharged through the injection nozzle, Further comprising a regulating nozzle that allows the direction of discharge to be changed.